Romeo Vitelli at Providentia has put together a Wunderkammer of wonders, mysteries and delights for your delectation as the 37th edition of On The Shoulders of Giants the history of science blog carnival. Go on over and take a look at his collection of historical marvels.
Giant’s Shoulders #38 is being hosted by The Longitude Blog on 16th August. Submissions as always by the 15th direct to the host or the blog carnivalsite.
If you would like to host a future edition of the best history of science carnival in the blogasphere please contact Dr SkySkull at Skulls in the Stars orThony C at The Renaissance Mathematicus.
Whewell's Ghost 
Just to add – the Longitude Blog’s carnival will have a temporally appropriate theme, given the focus there on ‘Georgian science’. So please do write and look out for appropriate posts, though of course other periods and themes will be considered (especially maritime or navigational!).